Oval swing lock mechanism



FIG. 1 is a front view of the lock mechanism.

FIG. 2 is a rear view of said lock mechanism.

FIG. 3 is a right side view of said lock mechanism.

FIG. 4 is a left side view of said lock mechanism.

FIG. 5 is a top view of said lock mechanism.

FIG. 6 is a bottom view of said lock mechanism; and,

FIG. 7 is a rear view of said lock mechanism in an alternative open position. 

The ornamental design for an oval swing lock mechanism, as shown and described. 